Mathematics, 13.03.2020 23:01 malaysiasc93
About 32% of all the laptop computers sold in an electronics store have hard disks made by Western Digital, i. e., p=0.32. In a specific shipment, a total of n=15 laptop computers are received. Treat these 15 laptop computers as a random sample and use X to denote the number of them with hard disks made by Western Digital in this sample. Keep at least 4 decimal digits if the result has more decimal digits.
The probability that exactly 2 of the laptop computers have hard disks made by Western Digital is closest to.
a. 0.0031
b. 0.0217
c. 0.0715
d. 0.0962
e. 0.9752
Answers: 3
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